The BizOS blog
Practical guides for Indian shop owners, service businesses and contractors: GST billing, WhatsApp follow-ups, getting paid on time, field jobs, stock and working alongside Tally.
Industry playbooks
A practical guide for AC and water purifier service firms in India: service calls, technician jobs, AMC visits that schedule themselves, renewals, spares and collection.
· 7 min read
Industry playbooks
How a 2–10 person electrical or plumbing business in India can run enquiries, quotes, technician jobs, GST bills and payment chasing from one phone app.
· 7 min read
Guides
A one-week plan to move customers, dues, stock and open work from a notebook and Excel sheets into BizOS, without stopping billing for a day.
· 8 min read
Guides
Why paid enquiries go cold, a simple six-step lead process, and how BizOS brings IndiaMART, Justdial and Facebook leads onto one board with follow-ups.
· 8 min read
GST & billing
What a valid GST tax invoice must show, the manual PDF-and-forward way versus sending from a billing app, and what your customer sees when the bill lands on WhatsApp.
· 7 min read
Choosing software
Should you move off Tally? Split running the day from keeping the books, see which job goes where, and plan a two-week switch-over with your CA.
· 8 min read
Tally
Your Tally is on the office PC. The usual ways owners check dues, today's sales and stock from the phone, what each one costs you, and how BizOS does it.
· 7 min read
WhatsApp & marketing
A polite WhatsApp payment reminder schedule, sample wording in English, Hindi and Tamil, and how to automate it so reminders stop the moment the customer pays.
· 7 min read
Leads, quotes, jobs, GST bills, payment reminders and stock — on your phone, with WhatsApp doing the chasing. Every module free for 30 days, no card needed.
